404402041042 has 8 divisors (see below), whose sum is σ = 610674223500. Its totient is φ = 200843966544.

The previous prime is 404402041039. The next prime is 404402041063. The reversal of 404402041042 is 240140204404.

It can be written as a sum of positive squares in 2 ways, for example, as 344943607761 + 59458433281 = 587319^2 + 243841^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 404402040998 and 404402041016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 678526617 + ... + 678527212.

Almost surely, 2^404402041042 is an apocalyptic number.

404402041042 is a deficient number, since it is larger than the sum of its proper divisors (206272182458).

404402041042 is a wasteful number, since it uses less digits than its factorization.

404402041042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357053980.

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 404402041042 its reverse (240140204404), we get a palindrome (644542245446).

The spelling of 404402041042 in words is "four hundred four billion, four hundred two million, forty-one thousand, forty-two".